Gobio kovatschevi, Chichkoff, 1937

Freyhof, JÖrg, Yoğurtçuoğlu, Baran, Jouladeh-Roudbar, Arash & Kaya, Cüneyt, 2025, Handbook of Freshwater Fishes of West Asia, De Gruyter : 261

Gobio kovatschevi

Common name. Thracian gudgeon.

Diagnosis. Distinguished from other species of Gobio in Anatolia by: ○ 39–44 total lateral-line scales / ○ chest naked, incompletely or completely scaled / ○ head length 28–30 % SL / ○ 4–5 scales between posterior extremity of pelvic base and anus / ○ interorbital distance 1.4–1.6 times in eye diameter / ○ 5–6 scale rows between dorsal origin and lateral line / ○ pelvic reaching behind anus in female / ○ head profile behind nostrils straight or slightly convex / ○ snout pointed, not or slightly concave anterior to nostril.Size up to 102 mm SL.

Distribution . Türkiye and Bulgaria: Black Sea basin from Provadiskaya (near Varna, Bulgaria) south to İstanbul and Biga Peninsula south to Tuzla. Also, in Büyük Melen drainage in Central Black Sea basin.

Habitat. Upper and middle reaches of a small, slow-flowing stream with a sandy or gravelly bottom.

Biology. No data.

Conservation status. LC.

Remarks. In Europe, G. kovatschevi appears to have had some contact with Gobio from the Danube, as two different types of mtDNA are found in this species, indicating past introgressive hybridisation.

Further reading. Chichkoff 1937 (description); Kottelat & Freyhof 2007 (diagnosis).

Figures

Gobio kovatschevi

Distribution